Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Search instabilities when re-using hashtables

Author: Gian-Carlo Pascutto

Date: 09:39:30 06/17/02

Go up one level in this thread


On June 17, 2002 at 11:25:36, Robert Hyatt wrote:

>Your first move returns a score of +1.  Your next move fails high.  With the
>wide window, it then returns a score of -1.  You stick with that.  Do you
>really want to?  Most likely it is correct to do so, but you just _lowered_
>the score at the root.  Will you now use a lot more time trying to fix a
>problem that isn't there?

Here you're talking about the PVS searches. I'm having the aspiration
window search in mind.

If this happens in a PVS research, I ignore the fail high.

You can't do that (as easily) in the aspiration search.

--
GCP



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.